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Querying Microsoft SQL Server 2012 Certification Exam

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Microsoft 70-461 Free Practice Questions

Q1. You develop a database for a travel application. You need to design tables and other database objects. You create a stored procedure. You need to supply the stored procedure with multiple event names and their dates as parameters. What should you do? 

A. Use the CAST function. 

B. Use the DATE data type. 

C. Use the FORMAT function. 

D. Use an appropriate collation. 

E. Use a user-defined table type. 

F. Use the VARBINARY data type. 

G. Use the DATETIME data type. 

H. Use the DATETIME2 data type. 

I. Use the DATETIMEOFFSET data type. 

J. Use the TODATETIMEOFFSET function. 

Answer:

Q2. DRAG DROP 

You use Microsoft SQL Server 2012 to develop a database application. 

You create a table by using the following definition: 

CREATE TABLE Prices ( 

PriceId int IDENTITY(1,1) PRIMARY KEY, 

ActualPrice NUMERIC(16,9), 

PredictedPrice NUMERIC(16,9) 

You need to create a computed column based on a user-defined function named udf_price_index. You also need to ensure that the column supports an index. 

Which three Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.) 

Answer:  

Q3. You are developing a database application by using Microsoft SQL Server 2012. 

An application that uses a database begins to run slowly. 

Your investigation shows the root cause is a query against a read-only table that has a 

clustered index. 

The query returns the following six columns: 

... 

One column in its WHERE clause contained in a non-clustered index · Four additional columns One COUNT (*) column based on a grouping of the four additional columns 

You need to optimize the statement. 

What should you do? 

A. Add a HASH hint to the query. 

B. Add a LOOP hint to the query. 

C. Add a FORCESEEK hint to the query. 

D. Add an INCLUDE clause to the index. 

E. Add a FORCESCAN hint to the Attach query. 

F. Add a columnstore index to cover the query. 

G. Enable the optimize for ad hoc workloads option. 

H. Cover the unique clustered index with a columnstore index. 

I. Include a SET FORCEPLAN ON statement before you run the query. 

J. Include a SET STATISTICS PROFILE ON statement before you run the query. 

K. Include a SET STATISTICS SHOWPLAN_XML ON statement before you run the query. 

L. Include a SET TRANSACTION ISOLATION LEVEL REPEATABLE READ statement before you run the query. 

M. Include a SET TRANSACTION ISOLATION LEVEL SNAPSHOT statement before you run the query. 

N. Include a SET TRANSACTION ISOLATION LEVEL SERIALIZABLE statement before you run the query. 

Answer:

Q4. You are a database developer of a Microsoft SQL Server 2012 database. 

The database contains a table named Customers that has the following definition: 

You need to ensure that the CustomerId column in the Orders table contains only values that exist in the CustomerId column of the Customer table. 

Which Transact-SQL statement should you use? 

A. ALTER TABLE Orders 

ADD CONSTRAINT FX_Orders_CustomerID FOREIGN KEY (CustomerId) REFERENCES 

Customer (CustomerId) 

B. ALTER TABLE Customer 

ADD CONSTRAINT FK_Customer_CustomerID FOREIGN KEY {CustomerID) 

REFERENCES 

Orders (CustomerId) 

C. ALTER TABLE Orders 

ADD CONSTRAINT CK_Crders_CustomerID 

CHECK (CustomerId IN (SELECT CustomerId FROM Customer)) 

D. ALTER TABLE Customer 

ADD OrderId INT NOT NULL; 

ALTER TABLE Customer 

ADD CONSTRAINT FK_Customer_OrderID FOREIGN KEY (CrderlD) REFERENCES 

Orders 

(CrderlD); 

E. ALTER TABLE Orders 

ADD CONSTRAINT PK Orders CustomerId PRIMARY KEY (CustomerID) 

Answer:

Reference: http://msdn.microsoft.com/en-us/library/ms189049.aspx 

Q5. CORRECT TEXT 

You have a database that contains the tables shown in the exhibit. (Click the Exhibit button). 

You need to create a query for a report. The query must meet the following requirements: 

NOT use object delimiters. 

Return the most recent orders first. 

Use the first initial of the table as an alias. 

Return the most recent order date for each customer. 

Retrieve the last name of the person who placed the order. 

Return the order date in a column named MostRecentOrderDate that appears as 

the last column in the report. The solution must support the ANSI SQL-99 standard. 

Which code segment should you use? 

To answer, type the correct code in the answer area. 

Answer:  

Q6. DRAG DROP 

You develop a database application for a university. You need to create a view that will be indexed that meets the following requirements: 

. Displays the details of only students from Canada. 

. Allows insertion of details of only students from Canada. 

Which four Transact-SQL statements should you use? (To answer, move the appropriate SQL statements from the list of statements to the answer area and arrange them in the correct order.) 

Answer:  

Q7. You develop a Microsoft SQL Server 2012 database. You create a view from the Orders and OrderDetails tables by using the following definition. 

You need to improve the performance of the view by persisting data to disk. What should you do? 

A. Create an INSTEAD OF trigger on the view. 

B. Create an AFTER trigger on the view. 

C. Modify the view to use the WITH VIEW_METADATA clause. 

D. Create a clustered index on the view. 

Answer:

Q8. You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. 

You need to assign a PartitionNumber for each record in the Customers table.You also need to ensure that the PartitionNumber satisfies the following conditions: 

. Always starts with 1. 

. Starts again from 1 after it reaches 100. 

Which Transact-SQL statement should you use? 

A. CREATE SEQUENCE CustomerSequence AS int START WITH 0 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

B. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 CYCLE UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

C. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 1 MAXVALUE 100 UPDATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence + 1 DROP SEQUENCE CustomerSequence 

D. CREATE SEQUENCE CustomerSequence AS int START WITH 1 INCREMENT BY 1 MINVALUE 0 MAXVALUE 100 CYCLE UPTATE Customers SET PartitionNumber = NEXT VALUE FOR CustomerSequence DROP SEQUENCE CustomerSequence 

Answer:

Q9. You administer a Microsoft SQL Server database named Sales. The database is 3 terabytes in size. The Sales database is configured as shown in the following table. 

You discover that Sales_2.ndf is corrupt. You need to recover the corrupted data in the minimum amount of time. What should you do? 

A. Perform a file restore. 

B. Perform a transaction log restore. 

C. Perform a restore from a full backup. 

D. Perform a filegroup restore. 

Answer:

Q10. CORRECT TEXT 

You have a view that was created by using the following code: 

You need to create an inline table-valued function named Sales.fn_OrdersByTerritory. Sales.fn_OrdersByTerritory must meet the following requirements: 

. Use one-part names to reference columns. 

. Return the columns in the same order as the order used in OrdersByTerritoryView. 

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code. 

Answer:  

Q11. You use Microsoft SQL Server 2012 to develop a database application. 

You need to implement a computed column that references a lookup table by using an INNER JOIN against another table. 

What should you do? 

A. Reference a user-defined function within the computed column. 

B. Create a BEFORE trigger that maintains the state of the computed column. 

C. Add a default constraint to the computed column that implements hard-coded values. 

D. Add a default constraint to the computed column that implements hard-coded CASE statements. 

Answer:

Q12. CORRECT TEXT 

You have a database that contains the tables shown in the exhibit. (Click the Exhibit button.) 

You need to create a view named uv_CustomerFullName to meet the following requirements: 

The code must NOT include object delimiters. 

The view must be created in the Sales schema. 

Columns must only be referenced by using one-part names. 

The view must return the first name and the last name of all customers. 

The view must prevent the underlying structure of the customer table from being 

..... 

changed. 

. The view must be able to resolve all referenced objects, regardless of the user's default schema. 

Which code segment should you use? 

To answer, type the correct code in the answer area. 

Answer:  

Q13. CORRECT TEXT 

You need to create a table named OrderDetails on a new server. OrderDetails must meet the following requirements: 

. Contain a new column named LineltemTotal that stores the product of ListPrice 

and Quantity for each row. 

. The calculation for a line item total must not be run every time the table is queried. 

. The code must NOT use any object delimiters. 

The solution must ensure that LineItemTotal is stored as the last column in the table. 

Part of the correct T-SQL statement has been provided in the answer area. Provide the complete code. 

Answer:  

Q14. You administer a Microsoft SQL Server 2012 database named ContosoDb. The database contains a table named Suppliers and a column named IsActive in the Purchases schema. You create a new user named ContosoUser in ContosoDb. ContosoUser has no permissions to the Suppliers table. You need to ensure that ContosoUser can delete rows that are not active from Suppliers. You also need to grant ContosoUser only the minimum required permissions. Which Transact-SQL statement should you use? 

A. GRANT DELETE ON Purchases.Suppliers TO ContosoUser 

B. CREATE PROCEDURE Purchases.PurgeInactiveSuppliers WITH EXECUTE AS USER = 'dbo' AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0 GO GRANT EXECUTE ON Purchases.PurgelnactiveSuppliers TO ContosoUser C. GRANT SELECT ON Purchases.Suppliers TO ContosoUser 

D. CREATE PROCEDURE Purchases.PurgeInactiveSuppliers AS DELETE FROM Purchases.Suppliers WHERE IsActive = 0 GO GRANT EXECUTE ON Purchases.PurgeInactiveSuppliers TO ContosoUser 

Answer:

Q15. You develop a Microsoft SQL Server 2012 server database that supports an application. 

The application contains a table that has the following definition: 

CREATE TABLE Inventory ( 

ItemID int NOT NULL PRIMARY KEY, 

ItemsInStore int NOT NULL, 

ItemsInWarehouse int NOT NULL) 

You need to create a computed column that returns the sum total of the ItemsInStore and ItemsInWarehouse values for each row. 

The new column is expected to be queried heavily, and you need to be able to index the column. Which Transact-SQL statement should you use? 

A. ALTER TABLE Inventory 

ADD TotalItems AS ItemslnStore + ItemsInWarehouse 

B. ALTER TABLE Inventory 

ADD TotalItems AS ItemsInStore + ItemsInWarehouse PERSISTED 

C. ALTER TABLE Inventory 

ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse) PERSISTED 

D. ALTER TABLE Inventory 

ADD TotalItems AS SUM(ItemsInStore, ItemsInWarehouse) 

Answer:

Q16. You are a database developer for an application hosted on a Microsoft SQL Server 2012 server. 

The database contains two tables that have the following definitions: 

Global customers place orders from several countries. 

You need to view the country from which each customer has placed the most orders. 

Which Transact-SQL query do you use? 

A. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(OrderAmount) DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1 

B. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM (SELECT c.CustomerID, c.CustomerName, o.ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY COUNT(o.OrderAmount) ASC) AS Rnk FROM Customer c INNER JOIN Orders o ON c.CustomerID = o.CustomerID GROUP BY c.CustomerID, c.CustomerName, o.ShippingCountry) cs WHERE Rnk = 1 

C. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, RANK() OVER (PARTITION BY CustomerID ORDER BY OrderAmount DESC) AS Rnk FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID WHERE o.Rnk = 1 

D. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer c INNER JOIN (SELECT CustomerID, ShippingCountry, COUNT(OrderAmount) DESC) AS OrderAmount FROM Orders GROUP BY CustomerID, ShippingCountry) AS o ON c.CustomerID = o.CustomerID ORDER BY OrderAmount DESC 

Answer:

Q17. You have three tables that contain data for dentists, psychiatrists, and physicians. You create a view that is used to look up their email addresses and phone numbers. 

The view has the following definition: 

You need to ensure that users can update only the phone numbers and email addresses by using this view. 

What should you do? 

A. Alter the view. Use the EXPAND VIEWS query hint along with each SELECT statement. 

B. Create an INSTEAD OF UPDATE trigger on the view. 

C. Drop the view. Re-create the view by using the SCHEMABINDING clause, and then create an index on the view. 

D. Create an AFTER UPDATE trigger on the view. 

Answer:

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